Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
10066 results returnedSearch results
- Design of surface mine haulage roads :a manual
- Smelting cement copper in an electric-arc furnace
- Humidity :a cyclic effect in coal mine roof stability
- Extracting uranium from low-grade ore from the Coso Mountains, Calif.
- Low-temperature heat capacities and enthalpy of formation of copper difluoride (CuF₂)
- Effect of duct fire on the ventilation air velocity
- Jet fan effectiveness as measured with SF₆ tracer gas
- Use of gas diffusion membrane electodes to investigate coordination species in the sulfur dioxide system
- Coal mine floor heave in the Beckley coalbed,an analysis
- Methane accumulations in coal mine roof cavities
- Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo.
- Linear polarization measurements at high temperatures in hypersaline geothermal brines
- Direct substitution of sulfur for asphalt in paving materials
- Desulfurization of various midwestern coals by flotation
- Dry-process-sprayed coal mine sealants,an updated progress report
- Dehydrating magnesium chloride by double-salt decomposition
- Aqueous electrolysis of lead chloride
- Methane emissions from gassy coals in storage silos
- Carbon-in-pulp silver adsorption from cyanide leach slurries of a silver ore
- Foam stimulation to enhance production from degasification wells in the Pittsburgh coalbed
- Prediction of failures in mines -an overview
- Gas-sampling capability of vacutainers
- Design requirements for uranium ion exchange from ammonium bicarbonate solutions in a fluidized system
- Copper and silver recovery from a sulfide concentrate by ferrous chloride-oxygen leaching
- Beneficiation of western Mesabi range oxidized taconite
- Methane drainage study in the Sunnyside coalbed, Utah
- Sulfuric acid extraction technique for recovering zinc and sulfur from sphalerite
- Cobalt and nickel recovery from Missouri lead belt chalcopyrite concentrates
- Sources of metals in the combustible fraction of municipal solid waste
- Experimental studies on the origin and accumulation of coalbed gas
- Radon daughter mixture distributions in uranium mine atmospheres
- Inmine fire tests of mine shaft fire and smoke protection systems
- State severance taxes on nonfuel minerals as of January 1. 1978
- Methanation activity of Raney nickel catalysts :effect of proportion of NiAl₃ and Ni₂Al₃ in precursor alloys
- Thermodynamic data on the amphibole asbestos minerals amosite and crocidolite
- Longer-than-seam-height drill development program
- Effect of water sprays for respirable dust suppression with a research continuous-mining machine
- Design requirements for uranium ion exchange from acidic solutions in a fluidized system
- Pillar failure analysis and in situ stress determinations at the Fletcher mine near Bunker, Mo.
- Methane drainage :experience with hydraulic stimulation through slotted casing
- Comparison of five types of low-energy scrubbers for dust control
- Improved methods for monitoring production from vertical degasification wells
- Electromagnetic technique for locating boreholes
- Selenium removal from acidic waste water using zinc reduction and lime neutralization
- Electrochemical determination of the Gibbs energy of formation of sphalerite (ZnS)
- Tungsten recovery from Searles Lake brines :by P.B. Altringer, W.N. Marchant, R.O. Dannenberg, and P.T. Brooks.
- Preconcentration of native copper ore by electronic sorting
- Extinguishing agents for mine face gas explosions
- Antimony, arsenic, and mercury in the combustible fraction of municipal solid waste
- Radon emanation from domestic uranium ores determined by modification of the closed-can, gamma-only assay method